Score convert problem

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class Score : MonoBehaviour {

    public Text score1;
    public float score;
    public bool check = false;
    // Use this for initialization
    void Start()
    {
        
        score1.GetComponent<Text>();
        score = 0;

    }

    // Update is called once per frame
    void Update() {

        if (check == false)

        {

            StartCoroutine(enumerator ());
            score1.text = ("Score " + score);
            Debug.Log(score);
            Debug.Log(score1);
         
        }

    }

    IEnumerator enumerator()

    {
        
        score = score + 0.01f;
        yield return new WaitForSeconds(0);
        check = false;
    
    }
}